2164460350542 has 64 divisors (see below), whose sum is σ = 5208646049280. Its totient is φ = 585765254016.

The previous prime is 2164460350529. The next prime is 2164460350543. The reversal of 2164460350542 is 2450530644612.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2164460350494 and 2164460350503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164460350543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4324948 + ... + 4799384.

It is an arithmetic number, because the mean of its divisors is an integer number (81385094520).

Almost surely, 2^{2164460350542} is an apocalyptic number.

2164460350542 is an abundant number, since it is smaller than the sum of its proper divisors (3044185698738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2164460350542 is a wasteful number, since it uses less digits than its factorization.

2164460350542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480185.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 2164460350542 in words is "two trillion, one hundred sixty-four billion, four hundred sixty million, three hundred fifty thousand, five hundred forty-two".